diff --git a/plugins/1c/connector/README.md b/plugins/1c/connector/README.md
index b833cb7..bc9d7f6 100644
--- a/plugins/1c/connector/README.md
+++ b/plugins/1c/connector/README.md
@@ -308,18 +308,20 @@ dimension, or resource, also pass `member_ref` or `member_kind` +
 `member_name`; the adapter resolves the exact parent/member GUIDs and
 serialized tree path internally. The method supports `plan`, `apply`,
 `apply_and_verify`, and `apply_and_rollback`, requires explicit saved-state
-gates, and never writes active `Config`/`ConfigCAS`. Renaming an object and
-member, adding/removing collection items, and adding a new synonym locale
-remain intentionally disabled.
+gates, and never writes active `Config`/`ConfigCAS`. Renaming an object or
+member, removing collection items, and adding a new synonym locale remain
+intentionally disabled.
 
 `metadata.object.member.add` adds one new object requisite or tabular-section
 column (`Attribute`) by cloning an existing attribute in the same collection.
 The caller passes only
 `template_member_ref`, `new_member_name`, and optionally synonym/comment; the
 adapter generates the GUID, preserves the template's type/settings, appends to
-the exact declared collection, and verifies the new identity after apply.
-Arbitrary type construction and deletion are not supported by this first
-structural route.
+the exact declared collection, and verifies the new identity, empty/default
+comment, container, and preserved non-identity settings after apply. A template
+is blocked when its GUID or name is referenced outside its declared identity
+fields. Arbitrary type construction and deletion are not supported by this
+first structural route.
 
 Managed form bodies in base `Config` are resolved from the public form GUID to
 the sibling `<guid>.0` SQL payload. Command-bar buttons expose public command
diff --git a/plugins/1c/connector/adapter_1c_server.py b/plugins/1c/connector/adapter_1c_server.py
index aa77e77..e24dbcc 100644
--- a/plugins/1c/connector/adapter_1c_server.py
+++ b/plugins/1c/connector/adapter_1c_server.py
@@ -1005,7 +1005,7 @@ METHOD_INPUT_SCHEMAS["metadata.object.member.add"] = {
         },
         "new_member_name": {"type": "string", "description": "New 1C Attribute name."},
         "new_member_synonym": {"type": "string", "description": "Optional ru synonym; defaults to the new name."},
-        "new_member_comment": {"type": "string", "description": "Optional comment; otherwise inherited from the template."},
+        "new_member_comment": {"type": "string", "description": "Optional comment; defaults to an empty string and is never inherited from the template."},
         "extension": {"type": "string"},
         "layer": {"type": "string", "enum": ["base_saved_state", "extension_saved_state"]},
         "expected_sha1": {"type": "string"},
@@ -1018,6 +1018,89 @@ METHOD_INPUT_SCHEMAS["metadata.object.member.add"] = {
         "include_storage": {"type": "boolean"},
     },
 }
+METHOD_INPUT_SCHEMAS["metadata.write"] = {
+    "type": "object",
+    "required": ["base_id"],
+    "additionalProperties": True,
+    "properties": {
+        "base_id": {"type": "string", "description": "Adapter base identifier."},
+        "target": {
+            "type": "object",
+            "additionalProperties": True,
+            "description": "Name-first target. Use kind/area=object|form|module|schedule plus a public ref, kind/name, or canonical_path.",
+            "properties": {
+                "kind": {"type": "string", "enum": ["object", "form", "module", "schedule"]},
+                "area": {"type": "string", "enum": ["object", "form", "module", "schedule"]},
+                "ref": {"type": "string", "description": "Public 1C object/member ref."},
+                "canonical_path": {"type": "string", "description": "Public 1C code or metadata path."},
+                "property": {"type": "string"},
+                "operation": {
+                    "type": "string",
+                    "description": "Operation such as add_attribute, property_change, replace, or upsert_routine.",
+                },
+                "template_member_ref": {"type": "string"},
+                "new_member_name": {"type": "string"},
+            },
+        },
+        "target_kind": {"type": "string", "enum": ["object", "form", "module", "schedule"]},
+        "ref": {"type": "string", "description": "Optional public 1C object ref."},
+        "kind": {"type": "string", "description": "Optional metadata kind in English or Russian."},
+        "name": {"type": "string", "description": "Optional exact 1C object name."},
+        "object_type": {"type": "string", "description": "MCP alias of kind."},
+        "object_name": {"type": "string", "description": "MCP alias of name."},
+        "extension": {"type": "string"},
+        "property": {"type": "string"},
+        "value": {},
+        "schedule": {"type": "object", "additionalProperties": True},
+        "template_member_ref": {"type": "string"},
+        "new_member_name": {"type": "string"},
+        "new_member_synonym": {"type": "string"},
+        "new_member_comment": {"type": "string"},
+        "execution_mode": {
+            "type": "string",
+            "enum": ["plan", "apply", "apply_and_verify", "apply_and_rollback"],
+        },
+        "mode": {
+            "type": "string",
+            "enum": ["plan", "apply", "apply_and_verify", "apply_and_rollback"],
+        },
+        "allow_saved_state_write": {"type": "boolean"},
+        "allow_sql_saved_state_prepare": {"type": "boolean"},
+        "allow_sql_saved_state_apply": {"type": "boolean"},
+        "allow_sql_saved_state_rollback": {"type": "boolean"},
+    },
+    "examples": [
+        {
+            "base_id": "upo_test",
+            "target": {
+                "area": "object",
+                "ref": "Catalog.Номенклатура",
+                "property": "synonym",
+            },
+            "value": "Номенклатура",
+            "mode": "plan",
+        },
+        {
+            "base_id": "upo_test",
+            "target": {
+                "area": "object",
+                "operation": "add_attribute",
+                "template_member_ref": "Catalog.Номенклатура.Attribute.Артикул",
+                "new_member_name": "КодПоставщика",
+            },
+            "mode": "plan",
+        },
+        {
+            "base_id": "upo_test",
+            "target": {
+                "kind": "schedule",
+                "ref": "ScheduledJob.ОбменДанными",
+            },
+            "schedule": {"begin_time": "09:00:00"},
+            "mode": "plan",
+        },
+    ],
+}
 METHOD_INPUT_SCHEMAS["metadata.code_index.build"] = {
     "type": "object",
     "required": ["base_id"],
@@ -3098,10 +3181,18 @@ METADATA_WRITE_CAPABILITIES = {
     "form_element_properties": {
         "status": "partial_saved_state",
         "targets": ["form_element", "form_command", "form_attribute"],
-        "operations": ["plan_property_write", "apply_property_write"],
+        "operations": [
+            "plan_property_write",
+            "apply_property_write",
+            "move_sibling_target",
+            "upsert_command_button",
+            "upsert_handler_routine",
+            "verify_command_button_links",
+        ],
         "agent_method": "metadata.write",
         "write_layer": "save",
-        "gaps": ["Complex command handler bindings and inherited form properties are not fully writable yet."],
+        "guards": ["expected_sha1", "backup", "semantic_readback", "cache_invalidation"],
+        "gaps": ["Cross-parent structural moves, arbitrary element deletion, complex command bindings, and inherited form properties are not fully writable yet."],
     },
     "object_metadata": {
         "status": "partial_saved_state",
@@ -3109,8 +3200,8 @@ METADATA_WRITE_CAPABILITIES = {
         "operations": ["write_synonym", "write_comment", "write_member_synonym", "write_member_comment", "add_attribute_from_template"],
         "agent_method": "metadata.write",
         "write_layer": "save",
-        "guards": ["expected_old", "expected_sha1", "backup", "semantic_readback"],
-        "gaps": ["Attribute add currently requires an existing Attribute template in the same collection. Object/member rename, arbitrary type construction, deletion, and other structural collection writes remain disabled."],
+        "guards": ["expected_old", "expected_sha1", "backup", "semantic_readback", "settings_shape_verification", "cache_invalidation"],
+        "gaps": ["Attribute add currently requires a safe existing Attribute template in the same collection. Object/member rename, arbitrary type construction, deletion, Dimension/Resource/TabularSection creation, and other structural collection writes remain disabled."],
     },
     "templates": {
         "status": "read_only",
@@ -17521,6 +17612,7 @@ def apply_saved_state_prepare_copy(
     file_names: list[str],
     *,
     expected_source_rows: int,
+    prepared_rows: list[dict[str, Any]],
     timeout_seconds: int,
 ) -> dict[str, Any]:
     method = "metadata.saved_state.prepare"
@@ -17573,6 +17665,13 @@ def apply_saved_state_prepare_copy(
                 "counts": {"expected_insert_rows": expected_source_rows, "inserted_rows": inserted},
                 "diagnostics": {"message": "Copied row count did not match current source row count."},
             }
+        receipt = write_saved_state_prepare_receipt(
+            base_id=base_id,
+            config=config,
+            source_table=source_table,
+            target_table=target_table,
+            rows=prepared_rows,
+        )
         conn.commit()
     except Exception as exc:
         try:
@@ -17601,6 +17700,7 @@ def apply_saved_state_prepare_copy(
         "source": {"kind": "live_sql", "database": config["database"], "table": source_table},
         "target": {"table": target_table},
         "counts": {"inserted_rows": inserted, "file_names": len(names)},
+        "prepare_receipt": receipt,
         "cache_invalidation": invalidate_adapter_caches_after_saved_state_change(
             base_id,
             reason="saved_state_prepare",
@@ -17609,6 +17709,220 @@ def apply_saved_state_prepare_copy(
     }
 
 
+def saved_state_prepare_receipt_dir() -> Path:
+    return storage_apply_backup_dir() / "prepare-receipts"
+
+
+def write_saved_state_prepare_receipt(
+    *,
+    base_id: str,
+    config: dict[str, str],
+    source_table: str,
+    target_table: str,
+    rows: list[dict[str, Any]],
+) -> dict[str, Any]:
+    receipt_id = uuid.uuid4().hex
+    created_at = datetime.now(timezone.utc).isoformat(timespec="seconds").replace("+00:00", "Z")
+    root = saved_state_prepare_receipt_dir()
+    root.mkdir(parents=True, exist_ok=True)
+    path = root / f"{created_at.replace(':', '').replace('-', '')}-{receipt_id}.json"
+    normalized_rows = [
+        {
+            key: row.get(key)
+            for key in ("file_name", "part_no", "data_size", "binary_bytes", "binary_sha1")
+        }
+        for row in rows
+    ]
+    evidence = {
+        "schema": "onec_saved_state_prepare_receipt.v1",
+        "receipt_id": receipt_id,
+        "created_at_utc": created_at,
+        "base_id": base_id,
+        "source": {
+            "server": config.get("server"),
+            "database": config.get("database"),
+            "table": source_table,
+        },
+        "target": {"table": target_table},
+        "rows": normalized_rows,
+        "status": "prepared",
+    }
+    path.write_text(json.dumps(evidence, ensure_ascii=False, indent=2) + "\n", encoding="utf-8")
+    return {
+        "receipt_id": receipt_id,
+        "path": str(path),
+        "rows": len(normalized_rows),
+    }
+
+
+def resolve_saved_state_prepare_receipt(receipt_id: str) -> Path | None:
+    normalized = str(receipt_id or "").strip().lower()
+    if not re.fullmatch(r"[0-9a-f]{32}", normalized):
+        return None
+    root = saved_state_prepare_receipt_dir()
+    matches = sorted(root.glob(f"*{normalized}.json")) if root.is_dir() else []
+    return matches[0] if len(matches) == 1 else None
+
+
+def rollback_saved_state_prepare_receipt(
+    base_id: str,
+    receipt_id: str,
+    *,
+    timeout_seconds: int,
+) -> dict[str, Any]:
+    path = resolve_saved_state_prepare_receipt(receipt_id)
+    if path is None:
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "not_found",
+            "applied": False,
+            "receipt_id": receipt_id,
+        }
+    try:
+        evidence = json.loads(path.read_text(encoding="utf-8-sig"))
+    except Exception as exc:
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "invalid_receipt",
+            "applied": False,
+            "receipt_id": receipt_id,
+            "diagnostics": {"message": str(exc)},
+        }
+    if str(evidence.get("base_id") or "") != str(base_id):
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "blocked",
+            "applied": False,
+            "error": "receipt_base_mismatch",
+            "receipt_id": receipt_id,
+        }
+    if evidence.get("status") == "rolled_back":
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "already_rolled_back",
+            "applied": True,
+            "receipt_id": receipt_id,
+        }
+    target = evidence.get("target") if isinstance(evidence.get("target"), dict) else {}
+    target_table = str(target.get("table") or "")
+    if target_table not in SAVED_STATE_SOURCE_BY_TARGET:
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "invalid_receipt",
+            "applied": False,
+            "error": "receipt_target_invalid",
+            "receipt_id": receipt_id,
+        }
+    expected_rows = [
+        row for row in (evidence.get("rows") or [])
+        if isinstance(row, dict) and row.get("file_name") and Path(str(row["file_name"])).name == str(row["file_name"])
+    ]
+    file_names = sorted({str(row["file_name"]) for row in expected_rows})
+    if not expected_rows or not file_names:
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "invalid_receipt",
+            "applied": False,
+            "error": "receipt_rows_missing",
+            "receipt_id": receipt_id,
+        }
+
+    conn, config, error = connect_live_sql(base_id, "metadata.saved_state.prepare.rollback", timeout_seconds=timeout_seconds)
+    if error:
+        return error
+    started = time.time()
+    try:
+        cursor = conn.cursor(as_dict=True)
+        placeholders = ",".join(["%s"] * len(file_names))
+        cursor.execute(
+            f"""
+            SELECT FileName, PartNo, DataSize, DATALENGTH(BinaryData) AS BinaryBytes,
+                   CONVERT(varchar(40), HASHBYTES('SHA1', BinaryData), 2) AS BinarySHA1
+            FROM dbo.[{target_table}] WITH (UPDLOCK, HOLDLOCK)
+            WHERE FileName IN ({placeholders})
+            ORDER BY FileName, PartNo
+            """,
+            tuple(file_names),
+        )
+        current_rows = [
+            saved_state_row_public({key: jsonable(value) for key, value in row.items()})
+            for row in cursor.fetchall()
+        ]
+        comparable_fields = ("file_name", "part_no", "data_size", "binary_bytes", "binary_sha1")
+        expected_comparable = sorted(
+            tuple(row.get(field) for field in comparable_fields)
+            for row in expected_rows
+        )
+        current_comparable = sorted(
+            tuple(row.get(field) for field in comparable_fields)
+            for row in current_rows
+        )
+        if current_comparable != expected_comparable:
+            conn.rollback()
+            return {
+                "schema": "onec_saved_state_prepare_rollback.v1",
+                "status": "precondition_failed",
+                "applied": False,
+                "error": "prepared_rows_changed",
+                "receipt_id": receipt_id,
+                "counts": {
+                    "expected_rows": len(expected_comparable),
+                    "current_rows": len(current_comparable),
+                },
+            }
+        cursor.execute(
+            f"DELETE FROM dbo.[{target_table}] WHERE FileName IN ({placeholders})",
+            tuple(file_names),
+        )
+        deleted = int(cursor.rowcount or 0)
+        if deleted != len(expected_rows):
+            conn.rollback()
+            return {
+                "schema": "onec_saved_state_prepare_rollback.v1",
+                "status": "precondition_failed",
+                "applied": False,
+                "error": "prepared_row_delete_count_mismatch",
+                "receipt_id": receipt_id,
+                "counts": {"expected_rows": len(expected_rows), "deleted_rows": deleted},
+            }
+        conn.commit()
+    except Exception as exc:
+        try:
+            conn.rollback()
+        except Exception:
+            pass
+        return {
+            "schema": "onec_saved_state_prepare_rollback.v1",
+            "status": "error",
+            "applied": False,
+            "receipt_id": receipt_id,
+            "diagnostics": {"message": str(exc)},
+        }
+    finally:
+        try:
+            conn.close()
+        except Exception:
+            pass
+
+    evidence["status"] = "rolled_back"
+    evidence["rolled_back_at_utc"] = datetime.now(timezone.utc).isoformat(timespec="seconds").replace("+00:00", "Z")
+    path.write_text(json.dumps(evidence, ensure_ascii=False, indent=2) + "\n", encoding="utf-8")
+    return {
+        "schema": "onec_saved_state_prepare_rollback.v1",
+        "status": "rolled_back",
+        "applied": True,
+        "base_id": base_id,
+        "receipt_id": receipt_id,
+        "target": {"table": target_table},
+        "counts": {"deleted_rows": deleted, "file_names": len(file_names)},
+        "cache_invalidation": invalidate_adapter_caches_after_saved_state_change(
+            base_id,
+            reason="saved_state_prepare_rollback",
+        ),
+        "duration_ms": int((time.time() - started) * 1000),
+    }
+
+
 def public_saved_state_prepare_object(object_card: dict[str, Any] | None) -> dict[str, Any] | None:
     if not isinstance(object_card, dict):
         return None
@@ -17880,6 +18194,7 @@ def metadata_saved_state_prepare(payload: dict[str, Any]) -> dict[str, Any]:
         target_table,
         file_names,
         expected_source_rows=len(source_rows),
+        prepared_rows=public_source_rows,
         timeout_seconds=timeout_seconds,
     )
     result["apply_result"] = apply_result
@@ -42579,6 +42894,9 @@ def metadata_object_property_write(payload: dict[str, Any]) -> dict[str, Any]:
             "diagnostics": prepare_result.get("diagnostics") or {"message": "Could not resolve a writable saved-state copy for the named object."},
         }
         return result if include_storage else sanitize_object_property_write_result(result)
+    prepare_apply_result = prepare_result.get("apply_result") if isinstance(prepare_result.get("apply_result"), dict) else {}
+    prepare_receipt = prepare_apply_result.get("prepare_receipt") if isinstance(prepare_apply_result.get("prepare_receipt"), dict) else {}
+    prepare_receipt_id = str(prepare_receipt.get("receipt_id") or "")
 
     object_card = prepare_result.get("object") if isinstance(prepare_result.get("object"), dict) else {}
     object_guid = str(object_card.get("guid") or payload.get("guid") or payload.get("object_guid") or "").strip().lower()
@@ -42787,7 +43105,22 @@ def metadata_object_property_write(payload: dict[str, Any]) -> dict[str, Any]:
         }
     )
     result["rollback_result"] = rollback_result
-    result["rolled_back"] = bool(rollback_result.get("applied"))
+    payload_rolled_back = bool(rollback_result.get("applied"))
+    prepare_rollback_result = None
+    if payload_rolled_back and prepare_receipt_id:
+        prepare_rollback_result = rollback_saved_state_prepare_receipt(
+            base_id,
+            prepare_receipt_id,
+            timeout_seconds=timeout_seconds,
+        )
+        result["prepare_rollback_result"] = prepare_rollback_result
+    result["rolled_back"] = bool(
+        payload_rolled_back
+        and (
+            not prepare_receipt_id
+            or (prepare_rollback_result or {}).get("applied")
+        )
+    )
     result["status"] = (
         "verified_and_rolled_back"
         if result["applied"] and verified and result["rolled_back"]
@@ -42903,6 +43236,9 @@ def metadata_object_member_add(payload: dict[str, Any]) -> dict[str, Any]:
             "prepare_result": prepare_result,
         }
         return result if include_storage else sanitize_object_property_write_result(result)
+    prepare_apply_result = prepare_result.get("apply_result") if isinstance(prepare_result.get("apply_result"), dict) else {}
+    prepare_receipt = prepare_apply_result.get("prepare_receipt") if isinstance(prepare_apply_result.get("prepare_receipt"), dict) else {}
+    prepare_receipt_id = str(prepare_receipt.get("receipt_id") or "")
 
     object_card = prepare_result.get("object") if isinstance(prepare_result.get("object"), dict) else {}
     object_guid = str(object_card.get("guid") or payload.get("guid") or payload.get("object_guid") or "").strip().lower()
@@ -43148,7 +43484,22 @@ def metadata_object_member_add(payload: dict[str, Any]) -> dict[str, Any]:
         }
     )
     result["rollback_result"] = rollback_result
-    result["rolled_back"] = bool(rollback_result.get("applied"))
+    payload_rolled_back = bool(rollback_result.get("applied"))
+    prepare_rollback_result = None
+    if payload_rolled_back and prepare_receipt_id:
+        prepare_rollback_result = rollback_saved_state_prepare_receipt(
+            base_id,
+            prepare_receipt_id,
+            timeout_seconds=timeout_seconds,
+        )
+        result["prepare_rollback_result"] = prepare_rollback_result
+    result["rolled_back"] = bool(
+        payload_rolled_back
+        and (
+            not prepare_receipt_id
+            or (prepare_rollback_result or {}).get("applied")
+        )
+    )
     result["status"] = "verified_and_rolled_back" if verified and result["rolled_back"] else "applied_rollback_failed"
     return result if include_storage else sanitize_object_property_write_result(result)
 
@@ -52211,14 +52562,14 @@ def validate_metadata_write_payload(payload: dict[str, Any]) -> dict[str, Any] |
     target_dict = target if isinstance(target, dict) else {}
     route_kind = payload.get("target_kind") or target_dict.get("target_kind") or target_dict.get("area") or payload.get("area")
     if not route_kind and str(target_dict.get("kind") or "").strip().casefold() in {
-        "form", "форма", "module", "модуль", "bsl", "object", "объект", "metadata", "метаданные"
+        "form", "форма", "module", "модуль", "bsl", "object", "объект", "metadata", "метаданные", "schedule", "расписание"
     }:
         route_kind = target_dict.get("kind")
     if not route_kind and str(payload.get("kind") or "").strip().casefold() in {"form", "форма", "module", "модуль", "bsl"}:
         route_kind = payload.get("kind")
     target_kind = str(route_kind or "form").strip().casefold()
-    if target_kind not in {"form", "форма", "module", "модуль", "bsl", "object", "объект", "metadata", "метаданные"}:
-        return invalid_argument(method, "target.kind", "Only form, module, and object-property saved-state writes are currently routed.", allowed_values=["form", "module", "object"])
+    if target_kind not in {"form", "форма", "module", "модуль", "bsl", "object", "объект", "metadata", "метаданные", "schedule", "расписание"}:
+        return invalid_argument(method, "target.kind", "Only form, module, object, and scheduled-job schedule saved-state writes are currently routed.", allowed_values=["form", "module", "object", "schedule"])
     mode = str(payload.get("execution_mode") or payload.get("mode") or "plan").strip().lower()
     if mode not in FORM_ELEMENT_WRITE_APPLY_MODES:
         return invalid_argument(method, "execution_mode", "Unsupported execution mode.", allowed_values=sorted(FORM_ELEMENT_WRITE_APPLY_MODES))
diff --git a/plugins/1c/mcp/adapter_1c_mcp.py b/plugins/1c/mcp/adapter_1c_mcp.py
index 8c3a902..2366afa 100644
--- a/plugins/1c/mcp/adapter_1c_mcp.py
+++ b/plugins/1c/mcp/adapter_1c_mcp.py
@@ -394,6 +394,32 @@ TOOLS = [
                         "mode": "plan",
                     },
                 },
+                {
+                    "method": "metadata.write",
+                    "payload": {
+                        "base_id": "<base_id-from-project-context>",
+                        "target": {
+                            "area": "object",
+                            "ref": "Справочник.<object-name>",
+                            "property": "synonym",
+                        },
+                        "value": "<new-synonym>",
+                        "mode": "plan",
+                    },
+                },
+                {
+                    "method": "metadata.write",
+                    "payload": {
+                        "base_id": "<base_id-from-project-context>",
+                        "target": {
+                            "area": "object",
+                            "operation": "add_attribute",
+                            "template_member_ref": "Справочник.<object-name>.Реквизит.<template-attribute>",
+                            "new_member_name": "<new-attribute-name>",
+                        },
+                        "mode": "plan",
+                    },
+                },
                 {
                     "method": "metadata.form.command_button.write",
                     "payload": {
diff --git a/tests/1c/test_object_property_write.py b/tests/1c/test_object_property_write.py
index e5e2508..12ee28b 100644
--- a/tests/1c/test_object_property_write.py
+++ b/tests/1c/test_object_property_write.py
@@ -291,6 +291,25 @@ def test_object_property_plan_writes_existing_member_by_name(monkeypatch) -> Non
 
 def test_object_property_apply_verify_and_rollback(monkeypatch) -> None:
     install_common_mocks(monkeypatch)
+    monkeypatch.setattr(
+        adapter,
+        "metadata_saved_state_prepare",
+        lambda _payload: {
+            "status": "verified",
+            "applied": True,
+            "object": {
+                "kind": "Catalog",
+                "name": "Номенклатура",
+                "guid": OBJECT_GUID,
+            },
+            "file_names": ["object.0"],
+            "apply_result": {
+                "prepare_receipt": {
+                    "receipt_id": "a" * 32,
+                }
+            },
+        },
+    )
     reads = iter([(b"old", {"database": "db"}, None), (b"new", {"database": "db"}, None)])
     monkeypatch.setattr(adapter, "read_storage_file_bytes", lambda *_args, **_kwargs: next(reads))
     monkeypatch.setattr(
@@ -320,6 +339,19 @@ def test_object_property_apply_verify_and_rollback(monkeypatch) -> None:
         "storage_saved_state_rollback",
         lambda payload: {"status": "applied", "applied": True, "backup_id": payload["backup_id"]},
     )
+    prepare_rollback: dict[str, Any] = {}
+
+    def fake_prepare_rollback(base_id: str, receipt_id: str, *, timeout_seconds: int) -> dict[str, Any]:
+        prepare_rollback.update(
+            {
+                "base_id": base_id,
+                "receipt_id": receipt_id,
+                "timeout_seconds": timeout_seconds,
+            }
+        )
+        return {"status": "rolled_back", "applied": True}
+
+    monkeypatch.setattr(adapter, "rollback_saved_state_prepare_receipt", fake_prepare_rollback)
 
     result = adapter.metadata_object_property_write(
         base_payload(
@@ -332,6 +364,8 @@ def test_object_property_apply_verify_and_rollback(monkeypatch) -> None:
     assert result["status"] == "verified_and_rolled_back"
     assert result["applied"] is True
     assert result["rolled_back"] is True
+    assert result["prepare_rollback_result"]["status"] == "rolled_back"
+    assert prepare_rollback["receipt_id"] == "a" * 32
     assert result["semantic_verification"] == {
         "status": "ok",
         "expected": "Номенклатура товаров",
diff --git a/tests/1c/test_payload_codec.py b/tests/1c/test_payload_codec.py
index 649b99a..45fd6aa 100644
--- a/tests/1c/test_payload_codec.py
+++ b/tests/1c/test_payload_codec.py
@@ -1062,7 +1062,8 @@ def test_metadata_write_routes_schedule_target_without_changing_existing_form_mo
         lambda payload: captured.update(payload) or {"schema": "onec_scheduled_job_schedule_write.v1", "status": "planned"},
     )
 
-    result = adapter_server.metadata_write(
+    result = adapter_server.call_method(
+        "metadata.write",
         {
             "base_id": "upo_test",
             "target": {"kind": "schedule", "ref": "РегламентныеЗадания.ОбменДанными"},